Portable electronic device



FIG. 1 is a front perspective view of a portable electronic device showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dashed broken lines in the drawings depict portions of the portable electronic device that form no part of the claimed design. 

CLAIM The ornamental design for a portable electronic device, as shown and described. 